Historic Sites of Oléron

Île d'Oléron’s history is reflected in its diverse architecture, ranging from the Neolithic Dolmen d’Ors to the 17th-century military fortifications of the Citadelle at Le Château-d'Oléron. The island features iconic maritime structures like the striped Phare de Chassiron and religious landmarks such as the 12th-century Lanterne des Morts. These sites showcase the island’s evolution through medieval parish churches, Napoleonic engineering, and the traditional salt-harvesting landscapes of Le Port des Salines.